粉芽
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粉芽(soredium,复数为soredia)是地衣常见的一种无性生殖构造[1],为外观呈粉状的繁殖体,由地衣中真菌的菌丝包裹共生的绿藻或蓝绿菌而形成。粉芽可能散布于地衣的表面,也可能集中于一个区域,形成粉芽堆(soralia)[2]。粉芽可以风力等方式散播到别处,以产生新的地衣[3]。
参考资料
- ^ Eichorn, Susan E; Evert, Ray F; Raven, Peter H. Biology of Plants. New York: W.H. Freeman and Company. 2005: 289.
- ^ Brodo, Irwin W.; Sharnoff, Sylvia Duran; Sharnoff, Stephen. Lichens of North America. New Haven, CT, USA: Yale University Press. 2001: 762. ISBN 0-300-08249-5.
- ^ Cook, Rebecca; McFarland, Kenneth. General Botany 111: Laboratory Manual. Knoxville: University of Tennessee. 1995: 104.